# RainbowOne vs EngagePlusApp

The clearest difference is rating: RainbowOne at 4.0 against EngagePlusApp's 3.0. RainbowOne also leads on iOS requirement (12.0 vs 15.1). EngagePlusApp's advantage is in-app purchases (none vs 6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. RainbowOne sells 6 one-off in-app purchases. EngagePlusApp asks for nothing beyond the download.

RainbowOne holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RainbowOne ships an update every 2 months, EngagePlusApp every 6 weeks. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | RainbowOne | EngagePlusApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/rainbowone/id1019429184/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/engageplusapp/id1491716623/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 287 MB | 22 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) | [EngagePlus Ltd](https://appshunter.io/developer/1491716622) |

## What reviewers say

### RainbowOne

[App page](https://appshunter.io/ios/app/rainbowone/id1019429184)

Create and deliver interactive e-learning materials with a powerful e-book editor. Engage students through cross-platform lessons, auto-corrected exercises, and instant learning data analysis. Share and discover educational content in a dedicated bookstore.

**Highlights:** Innovative e-book editor with 80+ tools, Cross-platform interactive lessons, Auto-corrected exercises, Instant learning data analysis, Bookstore for sharing and editing e-books, Class management tools

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8個金幣 | $0.99 | one-time |
| 48個金幣 | $5.99 | one-time |
| 98個金幣 | $12.99 | one-time |
| 218個金幣 | $27.99 | one-time |
| 368個金幣 | $46.99 | one-time |
| 688個金幣 | $89.99 | one-time |


### EngagePlusApp

[App page](https://appshunter.io/ios/app/engageplusapp/id1491716623)

This app helps students and parents manage academic life. It allows users to organize class schedules, book lessons, and make payments. Stay informed with timely updates and announcements.

**Highlights:** Manage class schedules, Book classes, Make payments, Receive updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowOne free?

RainbowOne is free to download, with in-app purchases available.

### Is EngagePlusApp free?

EngagePlusApp is free to download, with no in-app purchases.

### Which has better reviews, RainbowOne or EngagePlusApp?

RainbowOne is rated higher. RainbowOne averages 4.0 out of 5 from 2 ratings, while EngagePlusApp averages 3.0 from 2 ratings.

### Do RainbowOne or EngagePlusApp have ads?

Neither RainbowOne nor EngagePlusApp shows ads.

### Which is updated more often, RainbowOne or EngagePlusApp?

RainbowOne ships an update every 2 months, and EngagePlusApp every 6 weeks. Most recently, RainbowOne was updated on September 23, 2026 and EngagePlusApp on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*